Dioxins
n. 二氧（杂）芑( dioxin的复数形式 )
🗣️ 情景例句
I would lke to place an order please.
我要下定单。
He's on the phone.
他在打电话。
We hope that the next negotiation will be the last one before signing the contract.
我们希望下一交谈判将是签订合同前的最后一轮谈判。